Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 74%

21:30

10:28

18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:10, Set: 16:03, Transit: 12:06. Moon - Rise: 21:30, Set: 10:28. Civil Dark: 16:44 - 07:29. Nautical Dark: 17:28 - 06:45. Astro Dark: 18:09 - 06:03

Total Clouds (% Sky Obscured)

22
39
52
42
86
95
50
73
100
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
39
0
6
0
0
0
0
38
68
67
78
85
79
91
92
93
77
77
80
88
90
87
93

Medium Clouds (% Sky Obscured)

22
39
22
27
86
95
50
73
26
33
28
19
24
52
43
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

22
39
52
42
86
77
50
55
52
53
100
89
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
1
5
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
2
3
1
1
9
3
0
0
0
2
6
29
57
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5

Wind Speed/Direction (mph)

12
12
12
11
9
8
8
7
6
7
7
6
7
5
3
2
3
4
5
5
6
6
7
9

Chance of Frost

Temperature (°C)

2
1
1
1
0
0
0
0
0
-0
0
0
1
1
1
1
1
2
2
2
2
2
2
2

Feels Like (°C)

-3
-4
-4
-3
-4
-4
-4
-4
-3
-4
-4
-3
-3
-2
-2
-1
-1
-1
-1
-1
-1
-2
-1
-2

Dew Point (°C)

-1
-1
-1
0
-1
-1
-1
-2
-2
-1
-1
0
0
0
1
1
1
2
2
2
2
2
2
2

Relative Humidity (%)

83
84
89
93
92
91
91
89
89
92
96
100
98
98
98
98
98
100
98
98
96
96
96
96

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1003
1003
1004
1004
1003
1004
1003
1003
1003
1003
1002
1001
1000
999
998
996
995

Ozone (du)

309
314
316
318
321
324
326
329
332
329
328
327
326
324
326
325
326
328
328
327
329
328
327
326

Thursday 8

Waning Gibbous 64%

22:48

10:37

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:09, Set: 16:05, Transit: 12:07. Moon - Rise: 22:48, Set: 10:37. Civil Dark: 16:45 - 07:28. Nautical Dark: 17:29 - 06:44. Astro Dark: 18:10 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
99
99
98
100
100
100
95
48
69
89
86
52
35
34
58
47
50
49
51
61
75
78
83

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
84
63
83
94
100
100
100
86
79

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
99
95
97
100
96
99
2
0
0
0
0
1
0
0
0
58
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Light Rain
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
94
93
86
71
58

Precipitation Amount (mm)

0.8
1
1.3
1.2
1.8
2
2.2
2
1.3
0.9
0.9
0.6
0.8
1.3
1.2
1.3
1.1
0.9
0.7
0.7
0.7
0.6
0.4
0.3

Wind Speed/Direction (mph)

10
12
15
18
19
19
21
22
21
19
19
18
17
17
18
19
19
18
18
17
16
15
15
15

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
3
3
3
2
2

Feels Like (°C)

-2
-3
-4
-5
-5
-6
-6
-7
-7
-6
-6
-5
-4
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4

Dew Point (°C)

2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

100
98
96
98
98
98
100
98
100
100
100
100
100
100
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

993
992
990
988
987
986
985
985
986
986
987
988
989
990
991
992
993
994
994
995
995
996
997
998

Ozone (du)

327
334
339
342
341
338
339
339
337
345
365
365
371
373
376
373
375
377
382
390
389
389
388
393

Friday 9

Waning Gibbous 54%

00:03

10:46

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK

Sun - Rise: 08:09, Set: 16:06, Transit: 12:07. Moon - Rise: 00:03, Set: 10:46. Civil Dark: 16:47 - 07:28. Nautical Dark: 17:31 - 06:44. Astro Dark: 18:11 - 06:02

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
100
100
96
91
68
86
72
74
52
34
30
32
24
22
17
22
26

Low Clouds (% Sky Obscured)

89
90
89
69
85
80
61
47
59
60
64
31
45
54
57
52
34
30
27
20
17
17
17
17

Medium Clouds (% Sky Obscured)

100
99
99
98
99
99
100
100
100
93
88
68
86
72
74
52
34
30
32
24
22
17
22
26

High Clouds (% Sky Obscured)

79
85
70
61
68
79
95
100
93
85
82
68
78
71
65
52
34
30
32
24
22
14
3
1

ISS Passover

Visibility (miles)

0
0
0
5
9
1
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
42
37
30
24
34
21
26
21
11
23
24
31
35
37
35
30
36
32
34
34
30
14
10

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
13
13
13
13
12
12
12
12
12
12
11
10
11
10
10
9
9
9
9
9
9
7
7

Chance of Frost

Temperature (°C)

2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
3
3
3
3
2
2

Feels Like (°C)

-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-3
-2
-2
-2
-2
-2
-2

Dew Point (°C)

2
2
1
1
0
1
1
1
1
0
0
1
0
0
0
1
1
2
2
2
2
2
2
1

Relative Humidity (%)

96
96
96
94
91
94
96
96
96
94
94
96
96
96
96
96
98
96
96
96
96
94
94
93

Pressure (mb)

999
1000
1001
1001
1002
1003
1003
1004
1005
1006
1007
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015
1016
1017

Ozone (du)

397
392
385
380
377
376
375
372
371
370
375
377
378
376
375
375
374
374
373
370
368
365
362
364

Saturday 10

Third Quarter 44%

01:18

10:57

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:08, Set: 16:08, Transit: 12:08. Moon - Rise: 01:18, Set: 10:57. Civil Dark: 16:48 - 07:27. Nautical Dark: 17:32 - 06:43. Astro Dark: 18:12 - 06:02

Total Clouds (% Sky Obscured)

25
24
38
58
67
78
86
93
100
99
97
62
70
99
100
100
74
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
17
20
20
22
23
35
49
62
56
42
30
38
46
50
47
45
44
46
49
52
67
85
100

Medium Clouds (% Sky Obscured)

25
24
3
3
3
3
14
28
32
31
31
30
32
38
40
40
49
54
56
55
100
61
100
100

High Clouds (% Sky Obscured)

2
3
4
22
42
68
76
82
100
79
58
13
30
76
84
84
59
83
88
94
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

29
26
28
10
17
3
2
9
0
0
0
0
0
0
0
0
0
0
0
0
1
36
59
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4

Wind Speed/Direction (mph)

6
5
4
4
4
4
4
5
6
6
7
8
8
8
10
10
12
14
15
16
17
18
18
18

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
1
1
0
0
-0
-1
-1
-1
-1
-1
0
1
2
2
2
2
1
1

Feels Like (°C)

-2
-2
-2
-2
-2
-2
-2
-3
-3
-4
-5
-5
-4
-4
-6
-5
-5
-4
-5
-5
-5
-5
-6
-6

Dew Point (°C)

1
1
1
0
-0
-1
-1
-1
-1
-3
-4
-4
-4
-4
-4
-4
-3
-2
-2
-3
-2
-2
-2
-2

Relative Humidity (%)

94
94
94
93
89
88
84
86
94
81
78
80
81
81
78
78
78
78
76
73
76
80
83
83

Pressure (mb)

1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1016
1015
1013
1013
1011
1010

Ozone (du)

366
368
368
363
358
352
347
342
338
334
328
320
316
312
311
312
315
315
318
322
325
318
307
303

Sunday 11

Waning Crescent 35%

02:33

11:10

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:07, Set: 16:09, Transit: 12:08. Moon - Rise: 02:33, Set: 11:10. Civil Dark: 16:50 - 07:27. Nautical Dark: 17:33 - 06:43. Astro Dark: 18:13 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
93
83
80
81

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
96
92
88
86
84
83
88
82
76
72
68
64
62
59
63
58
54
49

Medium Clouds (% Sky Obscured)

97
95
93
96
98
96
40
50
50
100
100
100
95
98
100
93
86
79
63
47
39
32
22
9

High Clouds (% Sky Obscured)

80
63
45
60
82
55
60
74
100
100
100
100
100
100
100
90
79
69
46
24
1
8
14
20

ISS Passover

Visibility (miles)

9
9
9
5
1
0
0
9
9
9
9
9
9
6
3
0
0
0
0
3
6
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
90
38
7
2
2
10
1
0
2
2
0
20
26
27
27
26
24
21
13
3

Precipitation Amount (mm)

0.8
1
1.1
1
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
19
19
18
18
17
17
15
14
13
12
11
9
9
8
8
8
8
7
7
7
6
6

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
2
2
2
2
2
3
3
4
4
4
4
5
6
6
6
6
6
5

Feels Like (°C)

-6
-6
-6
-6
-7
-6
-6
-6
-5
-4
-4
-3
-2
-2
-2
-2
-1
-1
-1
2
2
2
2
3

Dew Point (°C)

-2
-2
-1
-1
0
1
1
1
1
2
2
2
2
3
3
4
4
5
6
6
6
6
6
5

Relative Humidity (%)

86
84
83
86
94
98
98
94
94
96
94
94
96
96
98
98
98
100
100
98
98
96
98
98

Pressure (mb)

1009
1008
1007
1006
1005
1005
1004
1003
1003
1003
1003
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1005
1005

Ozone (du)

304
304
308
311
313
322
326
326
324
320
318
315
313
314
315
316
318
319
320
320
320
319
317
314

Monday 12

Waning Crescent 26%

03:48

11:27

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:06, Set: 16:11, Transit: 12:08. Moon - Rise: 03:48, Set: 11:27. Civil Dark: 16:51 - 07:26. Nautical Dark: 17:35 - 06:42. Astro Dark: 18:15 - 06:01

Total Clouds (% Sky Obscured)

89
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
45
43
47
53
59
64
70
66
72
82
92
94
92
95
97
98
100
89
74
60
72
84
96

Medium Clouds (% Sky Obscured)

5
4
2
28
53
81
88
94
100
100
100
100
100
100
100
98
96
95
92
87
83
91
96
100

High Clouds (% Sky Obscured)

45
73
100
100
100
100
100
100
100
99
97
96
97
99
100
91
83
74
80
90
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
7
6
6
5
4
3
2
2
1
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
1
2
16
24
29
62
84
95
95
95
84
71
57
39
54
71
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.7
0.6
0.4
0.3
0.2
0
0
0.4
0.6

Wind Speed/Direction (mph)

5
5
6
6
6
6
6
7
8
8
9
10
11
12
13
15
14
13
13
13
13
12
12
11

Chance of Frost

Temperature (°C)

5
5
4
4
4
4
4
4
5
5
5
6
6
7
7
7
7
8
8
8
8
9
9
9

Feels Like (°C)

2
2
1
1
1
0
-1
2
2
2
2
2
3
3
3
3
3
4
4
4
4
4
4
4

Dew Point (°C)

5
4
4
3
4
4
3
4
4
5
5
5
6
6
6
7
7
7
7
8
8
8
9
9

Relative Humidity (%)

98
98
98
96
98
96
94
96
96
96
96
96
96
94
96
96
96
98
96
98
96
98
98
100

Pressure (mb)

1005
1006
1006
1006
1006
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003

Ozone (du)

312
312
312
312
312
311
311
313
316
318
319
321
322
323
323
323
324
325
326
324
322
321
322
323

Tuesday 13

Waning Crescent 18%

05:02

11:51

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:05, Set: 16:12, Transit: 12:09. Moon - Rise: 05:02, Set: 11:51. Civil Dark: 16:52 - 07:25. Nautical Dark: 17:36 - 06:42. Astro Dark: 18:16 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
93
88
91
92
94
93
91
89

Low Clouds (% Sky Obscured)

87
78
69
75
80
85
87
90
92
88
86
85
91
92
94
82
64
46

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
87
78
62
50
34
23
28
25
30
34
39
43

High Clouds (% Sky Obscured)

100
100
100
98
97
95
82
69
62
44
27
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

78
62
34
33
25
9
19
23
17
18
25
28
30
30
25
23
21
20

Precipitation Amount (mm)

0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
11
11
11
11
11
11
11
12
12
11
11
12
13

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
7
8
8

Feels Like (°C)

4
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
3
4

Dew Point (°C)

8
8
8
8
8
7
7
7
7
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

98
98
96
95
95
95
95
91
88
85
87
88
90
90
91
91
90
88

Pressure (mb)

1003
1003
1003
1004
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

324
327
329
331
331
330
329
331
333
335
346
357
367
374
381
388
378
368

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 07/01/26 18:35:10. Forecast: 07/01/26 to 13/01/26. Timezone: UTC+0.00